64750925 has 12 divisors (see below), whose sum is σ = 82462356. Its totient is φ = 50400000.

The previous prime is 64750919. The next prime is 64750937. The reversal of 64750925 is 52905746.

It is a happy number.

64750925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5368489 + 59382436 = 2317^2 + 7706^2 .

It is not a de Polignac number, because 64750925 - 2¹⁶ = 64685389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34076 + ... + 35925.

It is an arithmetic number, because the mean of its divisors is an integer number (6871863).

Almost surely, 2^64750925 is an apocalyptic number.

It is an amenable number.

64750925 is a deficient number, since it is larger than the sum of its proper divisors (17711431).

64750925 is a wasteful number, since it uses less digits than its factorization.

64750925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70048 (or 70043 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 64750925 is about 8046.7959462136. The cubic root of 64750925 is about 401.5583480774.

The spelling of 64750925 in words is "sixty-four million, seven hundred fifty thousand, nine hundred twenty-five".